Ranking shooter games.
QUALIFICATIONS:
-Game must have shooting as its primary focus. For this reason, games that split focus among other key elements (Grand Theft Auto, Watch Dogs, etc.) are not viable for the list
-Game must either be a first-person or third-person "over-the-shoulder" style shooter. This eliminates top-downs, bullet-hell games, and side-scrollers.

I plan to do fully written reviews for all of these games at some point.